Miscellaneous notebooks mostly containing natural history notes and drawings

These few sheets of notes and sketches seem to belong to an unknown person conducting research at the library of the American Museum of Natural History on a Rafinesques manuscript. Notes are written on paper with the library's letterhead and entitled "Rafinesque: MS notes from ichthyologia [Ohieusis?]". Notes are in Italian and French. A brief portion of a letter in English signed "H. Graham" is included in which Graham seems to ask a patron to return materials to the library. Undated